GNC L-Arginine 1000mg:- Each capsule contains 1000 mg of free-form L-Arginine. Arginine is a non-essential amino acid which assists the removal of ammonia from the body which is a waste product of protein metabolism. Who should consume: Great for those looking to get the most out of their workouts through nitric oxide production; priming you for pumps, enhanced blood flow and nutrient delivery during exercise.                                                                                                                                                         

• Essential precursor of nitric oxide.
• Helps maintain healthy blood vessel tone.